10 Most Common 8th Grade MAP Math Questions

B. 40

C. 64

D. 80

3- A $40 shirt now selling for $28 is discounted by what percent?

A. \(20 \%\)

B. \(30 \%\)

C. \(40 \%\)

D. \(60 \%\)

4- How much interest is earned on a principal of $5000 invested at an interest rate of \(5\%\) for four years?

A. $250

B. $500

C. $1000

D. $2000

5- A swimming pool holds 2,000 cubic feet of water. The swimming pool is 25 feet long and 10 feet wide. How deep is the swimming pool?
Write your answer in the box below. ________

6- The price of a car was $20,000 in 2014, $16,000 in 2015 and $12,800 in 2016. What is the rate of depreciation of the price of the car per year?

A. \(15 \%\)

B. \(20 \%\)

C. \(25 \%\)

D. \(30 \%\)

7- What is the area of the shaded region if the diameter of the bigger circle is 12 inches and the diameter of the smaller circle is 8 inches.

A. \(16 π\)

B. \(20 π\)

C. \(36 π\)

D. \(80 π\)

8- What is the area of an isosceles right triangle that has one leg that measures 6 cm? _________

9- A taxi driver earns $9 per 1-hour work. If he works 10 hours a day and in 1 hour he uses 2-liters petrol with price $1 for 1-liter. How much money does he earn in one day?

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A. $90

B. $88

C. $70

D. $60

10- What is the solution of the following system of equations?
\(\frac{-x}{2}+ \frac{y}{4} = 1\)
\(\frac{-5y}{6}+ 2x = 4\)

A. \(x=48,y=22 \)

B. \(x=50,y=20\)

C. \(x=20,y=50\)

D. \(x=22,y=48\)

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Answers:

2- B
Use the area of rectangle formula \((s = a × b)\).
To find the area of the shaded region subtracts the smaller rectangle from the bigger rectangle.
\(S_{1} – S_{2} = (10 ft × 8ft) – (5ft × 8ft) ⇒ S_{1} – S_{2} = 40ft\)

3- B
Use the formula for Percent of Change
\(\frac{New \space Value-Old \space Value}{Old \space Value}× 100 \%\)
\(\frac{28-40}{40}× 100 \% = -30 \% \)(negative sign here means that the new price is less than old price).

4- C
Use simple interest formula:
I=prt
(I = interest, p = principal, r = rate, t = time)
\(I=(5000)(0.05)(4)=1000\)

5- 8
Use formula of rectangle prism volume.
\(V = (length) (width) (height) ⇒ 2000 = (25) (10) (height) ⇒
height = 2000 ÷ 250 = 8\)

6- B
Use this formula: Percent of Change
\(\frac{New \space Value-Old \space Value}{Old \space Value}× 100 %\)
\(\frac{16000-20000}{20000}× 100 % \)
\(= 20 \% \space and \space \frac{12800-16000}{16000}× 100 \% = 20 \%\)

7- B
To find the area of the shaded region subtract smaller circle from bigger circle.
\(S_{bigger}-S_{smaller} =π(r_{bigger})^2 -π(r_{smaller})^2⇒S_{bigger}-S_{smaller}=π(6)^2-π(4)^2\)
\(⇒ 36 π – 16π = 20 π\)

8- 18
\(a = 6 ⇒\) area of the triangle is:
\(\frac{1}{2}(6×6)=\frac{36}{2}=18 \space cm^2\)

9- C
\($9×10=$90\)
Petrol use: \(10×2=20 \space liters\)
Petrol cost: \(20×$1=$20\)
Money earned: \($90-$20=$70\)

10- D
\(\frac{-x}{2}+ \frac{y}{4} = 1\)
\(\frac{-5y}{6}+ 2x = 4\)
Multiply the top equation by 4. Then,
\(-2x+ y = 4\)
\(\frac{-5y}{6}+ 2x = 4\)
Add two equations.
\(\frac{1}{6}y=8→y=48\), plug in the value of y into the first equation →\(x=22\)

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Frequently Asked Questions

What is the NWEA MAP test?

A computer-adaptive test from NWEA used by many schools to track student growth in reading, language, math, and science. Most students take it two or three times a year, and scores are reported on the RIT scale.

What 8th grade math topics matter most?

Linear equations and functions, slope and slope-intercept form, systems of equations, the Pythagorean Theorem, rigid transformations and dilations, volume of cylinders/cones/spheres, scatter plots, and basic function notation.

How does adaptive testing work?

The algorithm picks the next question based on whether you got the previous one right. Right answers tend to push the difficulty up; wrong answers push it down. The test ends once the score is pinned down precisely.

What is a good 8th grade math RIT score?

NWEA fall norms put the average around 228-230. Anything above 235 is solidly above average. Look at growth between testings as much as the absolute score — typical growth is 3-5 points per year at this grade.

How long is the MAP test?

Typically 45-60 minutes per subject, though MAP is untimed in most schools. The number of items varies because the test ends when it has enough information for an accurate score.

Should kids guess on MAP?

Yes — no penalty for wrong answers, so a blank is at least as bad as a guess. But careless guesses can drag the difficulty down. The best policy: answer every question with your best read first.

How do I solve a system of equations?

Substitution: solve one equation for one variable and plug into the other. Or elimination: add/subtract equations to cancel a variable. Both methods yield the intersection point (or tell you no solution or infinitely many).

How is volume of a cone calculated?

\( V = \frac{1}{3} \pi r^2 h \). A cone with radius 4 and height 9 has volume \( \frac{1}{3} \pi (16)(9) = 48 \pi \approx 150.8 \) cubic units. The 1/3 is critical — it distinguishes a cone from the cylinder of the same base and height.

Are calculators allowed on 8th grade MAP?

Yes, typically. NWEA enables a basic scientific calculator on many items. But schools can adjust the settings, so confirm with your teacher.

How can my 8th grader prepare effectively?

Mixed-topic full sets matter more than topic-by-topic drilling, since MAP cycles through all strands. Review every miss by naming the specific concept involved — that turns one mistake into a fix.

Related Lessons You May Like

• How to solve multi-step equations
• How to find the slope of a line
• How to graph linear equations
• How to use the Pythagorean Theorem
• How to find the volume of cylinders and spheres

If you want a workbook that walks every Grade 8 standard step by step, Mastering Grade 8 Math pairs perfectly with these questions. For algebra prep, Pre-Algebra for Beginners covers the linear-equation foundation you will lean on.